I have read numerous times on here that the active ingredient in The Works Toilet Bowl Cleaner hydrochloric acid is bad for aluminum and should never be used to clean pontoons.

Pontoon cleaner toilet bowl cleaner. Peroxide will remove organic material such as algae bug poop mildew ect. ALUMABUFF is the best way to clean aluminum and polish out the stains streaks and white Robbins Marine has been taking care of. However I just looked up the MSDS for Toon Brite pontoon cleaner and found that the active ingredient is hydrochloric and sulfuric acid.

VS721 is a clear protective super slippery coating that resists the attachment of marine growth and makes clean. Rub the toilet bowl cleaner in and leave for 5 minutes. After that use a sprayer to apply the mixture on your pontoon.

Acid on lower unit to remove depositsbuildup. Therefore Id highly recommend that you complete this step. Some people recommend strong acid cleaners and toilet bowl cleaners but they damage aluminum and stainless steel surfaces causing more rust and metal structure issues.

Brightened up the unstained parts still needs work 4. Click here to find out how you can clean aluminium pontoon tubes and logs with toilet bowl cleaner without risking damage to your boat with a great finish. Before buffing your pontoon its a good idea to apply a layer of pontoon cleaner.

Repeat the process as needed to entirely remove the stain. Clean down the pontoon logs preferably with a pressure washer. Apply the cleaner to a small piece of aluminum on the underside of your boat and rinse it off after a short period of time repeating and increasing the amount of time until you have achieved your desired result.

Spray or sponge diluted toilet bowl cleaner onto the pontoons. Rub off any large debris and dirt with a stiff brush. But there are other equally intuitive hacks you can try to.